From 2f21cb77f10de311a80b3366851fa6ce3f31a1e7 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 20 Sep 2014 14:52:55 +0200
Subject: [PATCH] haskell-websockets: jailbreak to fix build with current
 versions of io-streams

---
 pkgs/development/libraries/haskell/websockets/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/websockets/default.nix b/pkgs/development/libraries/haskell/websockets/default.nix
index 5db1ec41613..c74fad5f1a8 100644
--- a/pkgs/development/libraries/haskell/websockets/default.nix
+++ b/pkgs/development/libraries/haskell/websockets/default.nix
@@ -19,6 +19,7 @@ cabal.mkDerivation (self: {
     entropy HUnit ioStreams mtl network QuickCheck random SHA
     testFramework testFrameworkHunit testFrameworkQuickcheck2 text
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://jaspervdj.be/websockets";
     description = "A sensible and clean way to write WebSocket-capable servers in Haskell";